package Computer;
import java.io.*;
import java.util.*;
public class Goods {
	public static void main(String args[]) {
		String filePath = "/D:/eclipse/Goods.txt";
		File file = new File(filePath);
		Scanner pr = null;
		int count = 0;
		double sum = 0;
		try { double price = 0;
		pr = new Scanner(file);
		pr.useDelimiter("[^0123456789.]+");
		while(pr.hasNextDouble()) {
		price = pr.nextDouble();
		count++;
		sum = sum+price;
		
		System.out.println(price);
	}
	    double aver = sum/count;
	    String str = String.format("%.3f", aver);
	    System.out.println("平均价格："+str);
	    
	}
    catch(Exception exp) {
    	System.out.println(exp);
    }
    }
}
